Free Linux Foundation Certified IT Associate Exam LFCA Exam Practice Test

Which of the following is a commonly used open source software used to connect to SSL/TLS VPN services?

• OpenVPN
• GNUVPN
• NordVPN
• VPNConnect

In which file are system and user account passwords stored?

• /etc/passwd
• /etc/login.defs
• /etc/shadow
• /etc/secure

Which option will cause ls to display hidden files and folders?

• ls -v
• ls -l
• ls -a
• ls -t

A company’s IT associate has been asked to switch to single-user mode on a running Linux server in order to perform some troubleshooting. Of the options below, which is the best way of doing this?

• su single
• init singleuser
• Isu 1
• linit 1

A team just developed a new feature on the company’s main web application. An IT associate wants to test this new feature by making it available for only 10% of the users. If everything works without any problems for a week, the associate will then make it available for all users. Which release type should be used to achieve this goal?

• Canary release
• Experimental release
• Alpha release
• Beta release

What command do you use to view the structure of system directory hierarchies?

• tree
• fee | ls /etc
• ls -t
• ls tree

Which of the following would be the most appropriate use-case for a Function as a Service (FaaS) implementation?

• An application that requires a local file system
• An application that continuously polls for work to process
• An event-driven application with dynamic scaling
• An application that requires a regionally- or globally-distributed file system

Encryption that uses both a private key and public key is known as what?

• Key Pair Encryption (symmetric cryptography)
• HMAC Cryptography (hash based message authentication]
• Public Key Cryptography (asymmetric cryptography)
• DPE (dual-phased hybrid encryption]

What is the underlying technology that allows containers to be restricted to defined limits for system resource usage such as CPU, memory, and network bandwidth?

• climits
• UnionFS
• Namespaces
• cqroups

What is an appropriate cost consideration when implementing serverless functions in the cloud?

• vCPU resources and disk cache
• B Elapsed lime of function execution and memory used
• Virtual machine configuration and memory allocation
• Runtime environment and container configuration